Insole



FIG. 1 is an isometric view showing the new design of an insole;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a front elevational view. 

The ornament design for an insole, as shown and described. 